plat/arm: Support for Cortex A5 in FVP Versatile Express platform

Cortex A5 doesnt support VFP, Large Page addressing and generic timer
which are addressed in this patch. The device tree for Cortex a5
is also included.

Change-Id: I0722345721b145dfcc80bebd36a1afbdc44bb678
Signed-off-by: Usama Arif <usama.arif@arm.com>

1 files changed, 144 insertions, 0 deletions

diff --git a/fdts/fvp-ve-Cortex-A5x1.dts b/fdts/fvp-ve-Cortex-A5x1.dts
new file mode 100644
index 00000000..0f766016
--- /dev/null
+++ b/fdts/fvp-ve-Cortex-A5x1.dts
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/dts-v1/;
+
+/ {
+	model = "V2P-CA5s";
+	compatible = "arm,vexpress,v2p-ca5s", "arm,vexpress";
+	interrupt-parent = <&gic>;
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a5";
+			reg = <0>;
+		};
+
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x1000000>;
+	};
+
+	hdlcd@2a110000 {
+		compatible = "arm,hdlcd";
+		reg = <0x2a110000 0x1000>;
+		interrupts = <0 85 4>;
+		clocks = <&oscclk3>;
+		clock-names = "pxlclk";
+	};
+
+	scu@2c000000 {
+		compatible = "arm,cortex-a5-scu";
+		reg = <0x2c000000 0x58>;
+	};
+
+	watchdog@2c000620 {
+		compatible = "arm,cortex-a5-twd-wdt";
+		reg = <0x2c000620 0x20>;
+		interrupts = <1 14 0x304>;
+	};
+
+	gic: interrupt-controller@2c001000 {
+		compatible = "arm,cortex-a9-gic";
+		#interrupt-cells = <3>;
+		#address-cells = <0>;
+		interrupt-controller;
+		reg = <0x2c001000 0x1000>,
+		      <0x2c000100 0x100>;
+	};
+
+	dcc {
+		compatible = "arm,vexpress,config-bus";
+		arm,vexpress,config-bridge = <&v2m_sysreg>;
+
+		oscclk0: osc@0 {
+			/* CPU and internal AXI reference clock */
+			compatible = "arm,vexpress-osc";
+			arm,vexpress-sysreg,func = <1 0>;
+			freq-range = <50000000 100000000>;
+			#clock-cells = <0>;
+			clock-output-names = "oscclk0";
+		};
+
+		oscclk1: osc@1 {
+			/* Multiplexed AXI master clock */
+			compatible = "arm,vexpress-osc";
+			arm,vexpress-sysreg,func = <1 1>;
+			freq-range = <5000000 50000000>;
+			#clock-cells = <0>;
+			clock-output-names = "oscclk1";
+		};
+
+		osc@2 {
+			/* DDR2 */
+			compatible = "arm,vexpress-osc";
+			arm,vexpress-sysreg,func = <1 2>;
+			freq-range = <80000000 120000000>;
+			#clock-cells = <0>;
+			clock-output-names = "oscclk2";
+		};
+
+		oscclk3: osc@3 {
+			/* HDLCD */
+			compatible = "arm,vexpress-osc";
+			arm,vexpress-sysreg,func = <1 3>;
+			freq-range = <23750000 165000000>;
+			#clock-cells = <0>;
+			clock-output-names = "oscclk3";
+		};
+
+		osc@4 {
+			/* Test chip gate configuration */
+			compatible = "arm,vexpress-osc";
+			arm,vexpress-sysreg,func = <1 4>;
+			freq-range = <80000000 80000000>;
+			#clock-cells = <0>;
+			clock-output-names = "oscclk4";
+		};
+
+		smbclk: osc@5 {
+			/* SMB clock */
+			compatible = "arm,vexpress-osc";
+			arm,vexpress-sysreg,func = <1 5>;
+			freq-range = <25000000 60000000>;
+			#clock-cells = <0>;
+			clock-output-names = "oscclk5";
+		};
+	};
+
+	smb {
+		compatible = "simple-bus";
+
+		#address-cells = <2>;
+		#size-cells = <1>;
+		ranges = <0 0 0x08000000 0x04000000>,
+			 <1 0 0x14000000 0x04000000>,
+			 <2 0 0x18000000 0x04000000>,
+			 <3 0 0x1c000000 0x04000000>,
+			 <4 0 0x0c000000 0x04000000>,
+			 <5 0 0x10000000 0x04000000>;
+
+		#interrupt-cells = <1>;
+		interrupt-map-mask = <0 0 63>;
+		interrupt-map = <0 0  0 &gic 0  0 4>,
+				<0 0  1 &gic 0  1 4>,
+				<0 0  2 &gic 0  2 4>,
+				<0 0  3 &gic 0  3 4>,
+				<0 0  4 &gic 0  4 4>,
+				<0 0  5 &gic 0  5 4>,
+				<0 0 42 &gic 0 42 4>;
+
+		/include/ "rtsm_ve-motherboard-aarch32.dtsi"
+	};
+};